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Thesis in RAI research center - Colour Volume Transform based on ICtCp colour representation

azienda Tesi esterna in azienda    


Parole chiave VIDEO COMPRESSION

Riferimenti ENRICO MAGLI

Riferimenti esterni Roberto Iacoviello (RAI CRIT)

Gruppi di ricerca Image Processing Lab (IPL)

Tipo tesi RESEARCH / EXPERIMENTAL

Descrizione A new colour representation was introduced in the HEVC specifications (from ITU-R BT.[HDR]): ICtCp (Constant Intensity). It's an alternative to the commonly used NCL YCbCr (non-constant luminance (NCL) ) representation for the encoding of colour signals. It claims to resolve several issues that have been observed in NCL YCbCr:
- Chroma leakage (especially for 4:2:0 applications)
- Reduced banding/Improved codeword representation
- Hue Linearity
- Better performance for larger colour volumes

After revising the current state of the art on this topic, the student will focus on the implementation of a colour volume transform for the presentation of HDR/WCG (High Dynamic Range/WideColourGamut) on a display having a smaller color volume than that of the mastering display used for mastering the source.

NOTE: for further information on ICtCp
ITU-R BT.2100
https://www.dolby.com/us/en/technologies/dolby-vision/ictcp-white-paper.pdf
http://wwwen.zte.com.cn/endata/magazine/ztecommunications/2016/1/articles/201603/P020160311294995790791.pdf
https://infoscience.epfl.ch/record/222897/files/IEEEpaper.pdf

Conoscenze richieste Good programming skills (Matlab or python)

Note This thesis will be carried out at the research center of RAI, the main Italian public television broadcaster, in their headquarters in Via Cavalli, Torino (10-15 min walk from Politecnico)


Scadenza validita proposta 02/02/2018      PROPONI LA TUA CANDIDATURA